Rockwell Automation Publication 22C-UM001J-EN-E - January 2017 89
Programming and Parameters Chapter 3
A170 [Boost Select] Related Parameter(s): b004
, P031, P032, A171, A172, A173
Sets the boost voltage (% of P031 [Motor NP Volts]) and redefines the Volts per Hz curve.
Drive may add additional voltage unless Option 5 is selected.
Frames C-F Frames G-H
Options 0 “Custom V/Hz” 0 “Custom V/Hz”
1 “30.0, VT” 1 “30.0, VT” Typical Fan/Pump Curves
2 “35.0, VT” 2 “35.0, VT”
3 “40.0, VT” 3 “40.0, VT”
4 “45.0, VT” (Default) 4 “45.0, VT” (Default)
5 “0.0 no IR” 5 “0.0 no IR”
6“0.0” 6“0.0” Boost Curves
7“2.5” 7“0.2”
8“5.0” 8“0.5”
9“7.5” 9“0.8”
10 “10.0” 10 “1.0”
11 “12.5” 11 “2.0”
12 “15.0” 12 “3.0”
13 “17.5” 13 “4.0”
14 “20.0” 14 “5.0”
15 “Kepco” Curve
(1)
15 “Kepco” Curve
(1)
(1) Kepco Curve is used in specific systems to meet requirements of the Korean Electric Power Company.
% P032 [Motor NP Hertz]
% P031 [Motor NP Volts]
100
50
1/2 [Motor NP Volts]
1/2
[Motor NP Hertz]
4
3
2
1
0 50 100
Settings
5-14
A174 [Maximum Voltage] can be set anywhere.
Settings greater than P031 [Motor NP Volts] define a point on the V/Hz curve.
Settings less than P031 [Motor NP Volts] function as limits only and do not change the V/Hz curve.
P034 [Minimum Freq] can be set anywhere.
Functions as a limit only and does not change the V/Hz curve.
P035 [Maximum Freq] can be set anywhere.
Settings greater than P032 [Motor NP Hertz]
define a point on the V/Hz curve.
P035 [Maximum Freq] can be set anywhere.
Settings less than P032 [Motor NP Hertz] function
as limits only and do not change the V/Hz curve.
Setting Boost Voltage (% of Base)
5 0.0 (no IR Comp. added)
6 0.0
7 2.5
8 5.0
9 7.5
10 10.0
11 12.5
12 15.0
13 17.5
14 20.0
15 "Kepco" Curve
(1)
Setting Fan/Pump Curves
1 30.0
2 35.0
3 40.0
4 45.0
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